.nav {
    .content {
        height: 100%;
        width: 100%;
        overflow: hidden;
        position: relative;
    }
    .hd {
        a {
            height: 80px;
            background: #34495e;
            color: #FFF;
            font-size: 25px;
            line-height: 80px;
            text-align: center;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 99;
        }
    }
    .navList {
        height: 100%;
        width: 100%;
        box-sizing: border-box;
        padding-top: 80px;
        background-color: #fff;
        overflow-x: hidden;
        overflow-y: auto;
        border-right: 1px solid #eeeeee;
        ul {
            width: 95%;
            background-color: #f9fafb;
            li {
                display: block;
                padding: 5px 0 5px 50px;
                height: 40px;
                line-height: 40px;
                border-bottom: 1px solid #eeeeee;
                position: relative;
                &::before {
                    content: '';
                    display: block;
                    width: 10px;
                    height: 10px;
                    border-radius: 50%;
                    background: lightcoral;
                    position: absolute;
                    top: 50%;
                    left: 20px;
                    margin-top: -5px;
                }
                a {
                    display: block;
                    cursor: pointer;
                    color: #34495e;
                }
            }
            .active {
                border-right: 2px solid lightcoral;
                a {
                    color: lightcoral !important;
                }
            }
        }
    }
}

.screenNav {
    z-index: 1000;
    text-align: center;
    font-size: 20px;
    color: #FFF;
    line-height: 41px;
}

.xianshi {
    transform: translate(0px, 0px);
}